Northern Airborne Technology N301A - Manual (Page 6)

N301A-000 Audio Controller
SM45 Installation and Operation Manual
Section 1 Rev: 1.00 Issue 4 Page 1-3
ENG-FORM: 800-0114.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Bi-directional Signals:
Quantity: 3 ICS tie channels
Audio level: 0.34 Vrms for NAT ICS tie
2.8 Vrms for Interphone tie
2.8 Vrms for PVT ICS tie
Impedance: 1.6 k
Ω ±10% for NAT ICS tie input
19 k
Ω ±10% for Interphone ICS tie input
19 k
Ω ±10% for PVT ICS tie input
Circuitry Type: Single ended
Annunciators: Green LED illuminates for transmit operation
1.4.2 Physical Specifications
Height
2.64 inches (67.2 mm) max
Depth 3.40 inches (86.5 mm) max behind panel, excluding connector
Width 4.97 inches (126.3 mm) max behind panel
Weight 1.75 lbs (0.8 Kg) max excluding harness and mating connectors
Mounting Unit fits standard Dzus rails
Connectors Male 50-pin & 15-pin D-subminiature filtered connectors with Jackpost locks
Material/ Finish Chassis and cover are 5052-H32 brushed aluminum with chromate
conversion finish
Faceplate Laser etched acrylic edge-lit panel
1.4.3 Environmental Specifications
Temperature
Operating -20
° C to +70° C
Survival -55
° C to + 85° C
Altitude 25,000 feet max
Humidity 95% at 50
° C 48 hours
Vibration/Shock RTCA/DO-160C Cat. MNY
Qualification of the N301A-000 Audio Controller was completed in accordance with:
B
RTCA/DO-160C Env. Cat. B4-BA[MNY]XXXXXXABABAZAXXX
Note: Refer to Environmental Qualification Form located in Section 2.7 of this Manual for complete
details of the environmental categories.